Malicious PDF — malware analysis report

Static analysis result for SHA-256 0168f1b2b1286c9d…

MALICIOUS

PDF

185.4 KB Created: 2015-07-24 09:04:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9474603b82a907212da70ff946307c2d SHA-1: 5ec7774b98f079be5c4ba16f3f7db0b33c3a41c9 SHA-256: 0168f1b2b1286c9db17e5fae900f63de9a87304633fd3a23b98d304ac9bdd622
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. This indicates the document's primary purpose is to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, limiting the analysis to the embedded link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D0%BE%D0%BA%D0%B5%D1%80+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D0%BE%D1%84%D1%84%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190056_otchet_o_finansovuyh_rezultatah_blank_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186592_sia_1000_forms_of_fear_skachat_albom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185328_uproschennuyy_dogovor_arenduy_kvartiruy_obrazec.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002425d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2425D 3556 bytes
font_01_sfnt_off00024fe0.bin
f7f001b40b3329d8717ace5b180dc0048315d6049b9decb5335f1d3ccc62f964		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FE0 14812 bytes
font_02_sfnt_off00027e0d.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E0D 14468 bytes
font_03_sfnt_off0002a8bf.bin
c952e8636321270d8d2a567f42a3c690497ae283b990f64359e083085cb02c99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8BF 6704 bytes
font_04_sfnt_off0002bbfd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBFD 6084 bytes
font_05_sfnt_off0002cb92.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB92 3752 bytes

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